{"vulnerability": "cve-2026-42354", "sightings": [{"uuid": "0f72cdd3-bdd5-4739-b2b7-79ff947fb656", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42354", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mleupkgzli2z", "content": "\ud83d\udd34 CVE-2026-42354 - Critical (9.1)\n\nSentry is an error tracking and performance monitoring tool. From version 21.12.0 to before versi...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-42354/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-05-08T23:22:20.265321Z"}, {"uuid": "8c30ab16-7e27-447a-a83f-31c03183106f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-42354", "type": "seen", "source": "https://infosec.exchange/users/offseq/statuses/116541675237436780", "content": "\ud83d\udea8 CRITICAL: Sentry SAML SSO auth bypass (CVE-2026-42354) affects 21.12.0 - 26.4.0. Attackers w/ malicious SAML IdP & another org can fully compromise user accounts. Upgrade to 26.4.1 ASAP! https://radar.offseq.com/threat/cve-2026-42354-cwe-290-authentication-bypass-by-sp-32bd5f55 #OffSeq #Sentry #Vuln #Security", "creation_timestamp": "2026-05-09T00:00:40.703877Z"}, {"uuid": "7bf1e7da-8074-40a3-8a80-4713b114cc77", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-42354", "type": "seen", "source": "https://bsky.app/profile/offseq.bsky.social/post/3mlewu65dad2v", "content": "Sentry SAML SSO CRITICAL vuln (CVE-2026-42354): 21.12.0 - 26.4.0 allows account takeover via malicious SAML IdP if victim email is known. Upgrade to 26.4.1+ now! \ud83d\udd12 https://radar.offseq.com/threat/cve-2026-42354-cwe-290-authentication-bypass-by-sp-32bd5f55 #OffSeq #Sentry #Security", "creation_timestamp": "2026-05-09T00:00:42.179611Z"}, {"uuid": "f216a2ce-2f48-4b6b-af91-01117c45851f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42354", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mlf37earic2r", "content": "CVE-2026-42354 - Sentry: Improper authentication on SAML SSO process allows user identity linking\nCVE ID : CVE-2026-42354\n \n Published : May 8, 2026, 11:16 p.m. | 1\u00a0hour, 4\u00a0minutes ago\n \n Description : Sentry is an error tracking and performance monitoring tool. From version 2...", "creation_timestamp": "2026-05-09T01:18:32.312351Z"}, {"uuid": "e38764cb-5e09-459a-a78e-d0fbbbebb52a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42354", "type": "seen", "source": "https://bsky.app/profile/cyberhub.blog/post/3mm5b2mh5z52p", "content": "\ud83d\udccc CVE-2026-42354 - Sentry is an error tracking and performance monitoring tool. From version 21.12.0 to before version 26.4.1, a critical vulnerability was discovered in... https://www.cyberhub.blog/cves/CVE-2026-42354", "creation_timestamp": "2026-05-18T16:07:09.730954Z"}, {"uuid": "243504a7-9b7d-468f-b721-ce39283cb339", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42354", "type": "seen", "source": "https://t.me/shimiscyberworld/1323", "content": "\ud83d\udee1\ufe0f SCW \u2502 Critical Vulnerability\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\n\n\u26a0\ufe0f CVE-2026-42354 \u2014 CVSS 9.1\nSentry SAML SSO Critical Vulnerability Allows Account Takeover (CVE-2026-42354)\n\nCVE-2026-42354 \u2014 Sentry is an error tracking and performance monitoring tool. From version 21.12.0 to before version 26.4.1, a critical vulnerability was discovered in the SAML SSO\n\n\ud83d\udd34 Critical \u00b7 2 ATT&CK techniques mapped\n\n#cve  #critical  #high_severity\n\n\ud83d\udcd6 Full analysis + IOCs \u2192\n\ud83c\udfaf Type /detect cve-2026-42354 in the bot\nOpen Intel Bot \u2192\n\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\n\ud83c\udf10 @shimiscyberworld \u00b7 shimiscyberworld.com", "creation_timestamp": "2026-09-12T10:00:11.569019Z"}, {"uuid": "97ad7565-f591-41bb-b970-1eedc05a599c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42354", "type": "seen", "source": "https://t.me/shimiscyberworld/1328", "content": "\ud83d\udee1\ufe0f SCW \u2502 Daily Vulnerability Digest\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\n\ud83d\udcc5 2026-05-09\n\n\ud83d\udcca 23 vulnerabilities detected today \u2014 7 \ud83d\udd34 Critical, 16 \ud83d\udd34 High\n\n\ud83d\udd34 CRITICAL\n  \u2022 CVE-2026-42298 (10) \u2014 CVE-2026-42298: Critical RCE in Postiz AI Scheduling Tool\n  \u2022 CVE-2026-42454 (9.9) \u2014 Termix RCE via Container ID Injection (CVE-2026-42454)\n  \u2022 CVE-2026-42302 (9.8) \u2014 CVE-2026-42302: FastGPT Agent Sandbox RCE\n  \u2022 CVE-2026-42193 (9.1) \u2014 CVE-2026-42193: Plunk Email Platform Critical\u2026\n  \u2022 CVE-2026-42354 (9.1) \u2014 Sentry SAML SSO Critical Vulnerability Allows Account\u2026\n  \u2022 CVE-2026-44313 (9.1) \u2014 Linkwarden SSRF Vulnerability (CVE-2026-44313) Allows\u2026\n  \u2022 CVE-2026-42560 (9.1) \u2014 CVE-2026-42560: Critical Patreon OAuth Flaw Merges User\u2026\n\n\ud83d\udd34 HIGH\n  \u2022 CVE-2026-42556 (8.9) \u2014 CVE-2026-42556: Postiz AI Tool Vulnerability Allows Stored\u2026\n  \u2022 CVE-2026-42205 (8.8) \u2014 CVE-2026-42205: Avo Framework Privilege Escalation in Ruby\u2026\n  \u2022 CVE-2026-42352 (8.6) \u2014 pygeoapi RCE: OGC API Vulnerability Exposes Internal\u2026\n  \u2022 CVE-2026-41705 (8.6) \u2014 CVE-2026-41705: Spring AI MilvusVectorStore Vulnerable to\u2026\n  \u2022 CVE-2026-42452 (8.1) \u2014 Termix CVE-2026-42452 Bypasses 2FA with Temporary JWT\n  \u2022 CVE-2026-6665 (8.1) \u2014 PgBouncer SCRAM Vulnerability (CVE-2026-6665) Allows Stack\u2026\n  \u2022 CVE-2026-42296 (8.1) \u2014 CVE-2026-42296: Argo Workflows Bypass Grants Host Network\u2026\n  \u2022 CVE-2026-41520 (7.9) \u2014 CVE-2026-41520: Cilium Bugtool Leaks Sensitive WireGuard\u2026\n  \u2022 CVE-2026-42301 (7.8) \u2014 CVE-2026-42301: Malicious Code Execution Via pyp2spec RPM\u2026\n  \u2022 CVE-2026-42345 (7.7) \u2014 FastGPT Vulnerability: Cloud Metadata Bypass via URL\u2026\n  \u2026 and 6 more\n\n\ud83d\udcd6 View all vulnerabilities \u2192\n\n\ud83c\udfaf Need SIEM rules for these threats?\nGenerate detection rules for Splunk, Sentinel, QRadar & more \u2014 tailored per breach\nOpen /detect in Intel Bot \u2192\n\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\n\ud83c\udf10 @shimiscyberworld \u00b7 shimiscyberworld.com", "creation_timestamp": "2026-09-12T10:00:11.494587Z"}]}